KML Viewer for Maps

A geospatial tool for developers and analysts to preview and validate KML data on Google Maps.

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Om dette verktøyet

The KML Viewer for Maps ingests KML sources (URL or file) and validates their structure, then presents a in-tool preview of placemarks, styles, and overlays aligned to Google Maps conventions. It supports both simple and complex KML documents, including nested folders and multi-geometry features, and flags syntactic or semantic issues.\n
\nConceptually, the tool parses the KML, resolves styles, computes a geographic extent, and prepares an overlay-ready data object. It does not require server-side processing for basic usage; the output can be exported as KML or GeoJSON and reused by web maps. Typical users are GIS analysts integrating map data into dashboards or developers prototyping map-based features.\n
\nUnique value lies in strict, domain-focused validation with explicit error reporting, bounding-box calculation, and ready export options. Use cases include data release QA, map embedding in websites, and rapid testing of KML-driven layers before publishing. Core features include source input, validation, feature counting, bounding box, and export options.

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Hvordan bruke

Provide inputs by uploading a KML file or entering a KML URL.
Optionally set map_center (latitude, longitude in decimal degrees) and zoom_level to focus the preview.
Choose display_mode and include_styles as needed.
Run parsing and validation to generate a preview, counts, and any errors.
Review outputs and export normalized KML or GeoJSON for reuse in Google Maps.

Frequently Asked Questions

Finn raske svar

What inputs are required to run the tool?

The required input is kml_source, provided as a URL or raw KML XML. Optional inputs include map_center, zoom_level, display_mode, and include_styles. At least one valid KML source must be supplied for the tool to parse and validate.

What formats and data are parsed?

The tool parses KML 2.2 content, extracting placemarks, folders, and styles. It does not process KMZ archives. It validates syntax, coordinates, and basic semantics, and can generate GeoJSON or a normalized KML output for downstream map integration.

What outputs can I obtain?

Outputs include a normalized KML, a feature count, an array of errors if any, and an overlay data object. When available, an overlay URI enables reuse in Google Maps. Export options support KML and GeoJSON formats.

Performance and limits?

Performance depends on KML size and complexity. Very large documents may require longer processing times or partial parsing. The tool provides partial results with error notes when feasible and recommends simplifying the KML or splitting it into smaller files for efficient handling.

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